ESMT

AD8356A

Elite Semiconductor Memory Technology Inc.

Publication Date: May. 2007

Revision: 1.3

3/33

20

SRA

O

Subwoofer-right channel output (+)

21

GNDSR

P

Ground for subwoofer-right channel

22

SRB

O

Subwoofer-right channel output (-)

23

VDDSRB

P

Supply for subwoofer-right channel B

(Note2)

24

set

Re

I

Reset, low active

Schmitt trigger TTL input buffer

25

PD

I

Power down, low active

Schmitt trigger TTL input buffer

26

ERROR

O

ERROR output

Open-drain output

27

SA0

I

I

Schmitt trigger TTL input buffer

28

SA1

I

I

Schmitt trigger TTL input buffer

29

SCL

I

I

Schmitt trigger TTL input buffer

30

SDA

I

I

Schmitt trigger TTL input buffer with

open-drain output

31

DEF

I

Default volume, 0=Mute, 1=Un-Mute

Schmitt trigger TTL input buffer

32

PWMSA

O

Half-bridge, sub-woofer channel output

TTL output buffer

33

AVDD

P

Analog supply

(Note1)

34

AGND

P

Analog ground

35

HPR

O

Headphone right channel output

36

HPL

O

Headphone left channel output

37

HP-SPK

I

Headphone detection

38

VDDRB

P

Supply for right channel B

(Note2)

39

RB

O

Right channel output (-)

40

GNDR

P

Ground for Right channel

41

RA

O

Right channel output (+)

42

VDDRA

P

Supply for right channel A

(Note2)

43

VDDLA

P

Supply for left channel A

(Note2)

44

LA

O

Left channel output (+)

45

GNDL

P

Ground for left channel

46

LB

O

Left channel output (-)

47

VDDLB

P

Supply for left channel B

(Note2)

48

PLL_Byp

I

PLL Bypass

Schmitt trigger TTL input buffer

Note1：These pins provide the supply for digital PWM controller, headphone drivers, built-in PLL and

protection circuits except for loudspeaker short-circuit protection circuits.

Note2：These pins provide the supply for loudspeaker driver stages, which are known as “PVDD”.